| Company | Timeline | Status | |
| Ultrasonic Management Limited Secretary • Office Manager | 15 Aug 2007←14 Years→24 May 2022 | Dissolved | |
| Ultrasonic Management Limited Secretary • Unreported | 5 Aug 2005←2 Years→14 Aug 2007 | Dissolved | |
Well-Worx Limited Secretary • Office Manager | 10 Apr 2002←1 Year 11 Months→30 Mar 2004 | Dissolved | |
E & P Solutions Limited Secretary • Office Manager | 29 May 1998←11 Years→31 Dec 2009 | Dissolved | |
